Home / 129,057.30-193,511.50-50,079.24

Finding the Fourth Proportional to 129,057.30, 193,511.50 and 50,079.24

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Solution

The fourth proportional to 129,057.30, 193,511.50 and 50,079.24 is: 75,089.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,057.30 : 193,511.50 = 50,079.24 : x
  2. Step 2: Convert to fraction form
    129,057.30/193,511.50 = 50,079.24/x
  3. Step 3: Cross multiply
    129,057.30x = 193,511.50 × 50,079.24
  4. Step 4: Simplify right side
    129,057.30x = 9,690,908,851.26
  5. Step 5: Solve for x
    x = 9,690,908,851.26/129,057.30
  6. Step 6: Final answer
    x = 75,089.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.